Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"than hoc trinh snippets" » "than doc trinh snippets", "than hoc tinh snippets", "than hoc sinh snippets", "toan hoc trinh snippets", "thai hoc 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: (((("than hoc 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: (((("than hoc trinh snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( than hoc trinh snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than hoc trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.