Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dac xuan trinh snippets" » "dac qua trinh snippets", "dac xuan dinh snippets", "dac xuan kinh snippets", "dao xuan trinh snippets", "bach xuan trinh snippets", "dang xuan trinh snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

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