Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhhg bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"tin dung o2 snippets" » "tin dung o snippets", "tin dung von snippets", "tin dung doi snippets", "tinh dung o2 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: (((("tin dung o2 snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tin dung o2 snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( tin dung o2 snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin dung o2 snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.