Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung lam tom snippets" » "dung lam code snippets", "dung luan tom snippets", "dung tai tom snippets", "dung dat tom snippets", "dung mam tom snippets", "dung nam tom snippets", "dung lam thoi 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: (((("dung lam tom snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lam tom snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung lam tom snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lam tom snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.