Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mong cac hoi snippets" » "mong cac code snippets", "cong cac hoi snippets", "dong cac hoi snippets", "mong cai hoi snippets", "mong cac thoi snippets", "mong cac khoi snippets", "mong cau hoi 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: (((("mong cac hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong cac hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mong cac hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong cac hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.