Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh quang hoi snippets" » "trinh quang code snippets", "tinh quang hoi snippets", "trinh quan hoi snippets", "tranh quang hoi snippets", "trinh quang huy snippets", "trinh quan doi snippets", "trinh quang tri 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: (((("trinh quang hoi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh quang hoi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh quang hoi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh quang hoi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.