Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"luong java java snippets" » "luong va java snippets", "luong java java slippers"
"dung van hau snippets" » "duong van hau snippets", "dung va hau snippets", "dang van hau snippets", "dung van ha snippets", "dung van hai snippets", "dung van dau snippets", "dung van hau slippers"

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: (((("luong java java snippets") or ("dung van hau snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong java java snippets") OR ("dung van hau snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( luong java java snippets ) or ( dung van hau snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong java java snippets") or ("dung van hau snippets"))) or ("locating bugs code snippets"))*.