Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham dau chi snippets" » "pham dau chi snippets", "phan dau chi snippets", "thau dau chi snippets", "cham dau khi snippets", "cham du chi snippets", "cham dau cuoi 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: (((("cham dau 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: (((("cham dau chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham dau chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham dau chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.