Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu kem chi snippets" » "hieu ky chi snippets", "hieu ve chi snippets", "hieu kem chu snippets", "hieu ke chi snippets", "hieu kim 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: (((("hieu kem 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: (((("hieu kem chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu kem chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu kem chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.