Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian hieu da snippets" » "gian hieu code snippets", "gian viet da snippets", "van hieu da snippets", "tin hieu da snippets", "gian hieu dac snippets", "gian hieu dia snippets", "gian hieu va 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: (((("gian hieu da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian hieu da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( gian hieu da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian hieu da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.