Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"luong java java slippers" » "luong va java slippers", "luong java java slippery", "luong java java grippers"
"dung tri code snippets" » "dung tai code snippets", "dung tren code snippets", "nhung tri code snippets", "dung tri co snippets", "dung tri 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: (((("dung tri code snippets") or ("luong java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tri code snippets") OR ("luong java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung tri code snippets ) or ( luong java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri code snippets") or ("luong java java slippers"))) or ("locating bugs code snippets"))*.