Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh van cong snippets" » "trinh han cong snippets", "trinh quan cong snippets", "trinh toan cong snippets", "trinh van dong snippets", "trinh van phong snippets", "trinh phan cong snippets"
"dung dat code snippets" » "dung va code snippets", "dung tai code snippets", "dung rate code snippets", "dung dat de 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 van cong snippets") or ("dung dat code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh van cong snippets") OR ("dung dat code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh van cong snippets ) or ( dung dat code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh van cong snippets") or ("dung dat code snippets"))) or ("locating bugs code snippets"))*.