Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh ve canh snippets" » "hanh vi canh snippets", "hanh va canh snippets", "hanh kem canh snippets", "hanh van canh snippets", "hanh 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: (((("hanh 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: (((("hanh ve canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh ve canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh ve canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.