Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"fang li hanh snippets" » "yang li hanh snippets", "hang loi hanh snippets", "tang loi hanh snippets", "fang lu hanh snippets", "fang ly hanh snippets", "fang vi hanh snippets", "fang li hanh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("fang li hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("fang li hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( fang li hanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("fang li hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.