Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh pha du snippets" » "trinh pha code snippets", "trinh phan du snippets", "trinh phap du snippets", "trinh phat du snippets", "trinh pham duc snippets", "trinh pham duy snippets", "trinh phan duc 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 pha du 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 pha du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh pha du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh pha du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.