Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh cau ve snippets" » "trinh cau code snippets", "trinh chat ve snippets", "trinh chao ve snippets", "trinh tu ve snippets", "trinh dau ve snippets", "trinh cuu ve snippets", "trinh ca ve 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: (((("trinh cau ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cau ve snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh cau ve snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cau ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.