Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon tin du snippets" » "cho tin du snippets", "thong tin du snippets", "chinh tin du snippets", "chon tin di snippets", "chon ton du snippets", "chon tin tu 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon tin du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon tin du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.