Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do chinh cac snippets" » "do chinh code snippets", "do chinh ca snippets", "do chinh can snippets", "do chinh cau snippets", "hoc chinh cac snippets", "dia chinh cac snippets", "mo hinh cac 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: (((("do chinh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do chinh cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( do chinh cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do chinh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.