Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi loc nghe snippets" » "thi hoc nghe snippets", "thi uoc nghe snippets", "thi nuoc nghe snippets", "chi loc nghe snippets", "thi goc nghe snippets", "thi lo nghe 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: (((("thi loc nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi loc nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi loc nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi loc nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.