Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than ve canh snippets" » "thanh ve canh snippets", "than va canh snippets", "toan ve canh snippets", "than van canh snippets", "than ve thanh snippets"
"locating bug code snippets" » "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: (((("than ve canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than ve canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than ve canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than ve canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.