Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi hanh cua snippets" » "hoi thanh cua snippets", "hoc hanh cua snippets", "doi hanh cua snippets", "hoi manh cua snippets", "hoi hang cua snippets", "hoi hanh sua 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: (((("hoi hanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi hanh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi hanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.