Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tham dun do snippets" » "tham dun code snippets", "tham du do snippets", "tham dinh do snippets", "pham dung do snippets", "tham dung do snippets", "tham den do snippets", "tham dung doi snippets"
"python using java snippets" » "python using data 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: (((("tham dun do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham dun do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tham dun do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham dun do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.