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