Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi dai chan snippets" » "thi dan chan snippets", "thi dai han snippets", "thi dai thang snippets", "thoi dai chan snippets", "thi mai chan snippets", "thi hai chan 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: (((("thi dai chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dai chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi dai chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dai chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.