Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bach chi snippets" » "thi bich chi snippets", "thi hanh chi snippets", "thi anh chi snippets", "thi banh chi snippets", "thi bach mai snippets", "thi bao chi 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 bach chi 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 bach chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bach chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bach chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.