Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quoc hanh cac snippets" » "quoc hanh code snippets", "quoc khanh cac snippets", "quoc thanh cac snippets", "quoc danh cac snippets", "quoc hang cac snippets", "quoc hanh cat snippets", "quoc nhanh cay snippets"
"dung java java snippets" » "dung va java 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: (((("quoc hanh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc hanh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( quoc hanh cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc hanh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.