Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon tin cac snippets" » "cho tin cac snippets", "thong tin cac snippets", "chinh tin cac snippets", "chon ton cac snippets", "chon tinh cach snippets", "chon trinh cac 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: (((("chon tin cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon tin cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon tin cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon tin cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.