Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh san co snippets" » "trinh han co snippets", "trinh van co snippets", "trinh quan co snippets", "trinh ban co snippets", "trinh sang cho snippets"
"dong luc code snippets" » "nang luc code snippets", "dong bug code snippets", "dong lbm code snippets", "dong luc cong 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 san co snippets") or ("dong luc code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh san co snippets") OR ("dong luc code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh san co snippets ) or ( dong luc code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh san co snippets") or ("dong luc code snippets"))) or ("locating bugs code snippets"))*.