Perhaps you should try some spelling variations:
"hang tieu data snippets" » "hoang trieu data snippets", "thang tien data snippets", "thong tieu data snippets", "hang lieu data snippets", "hang bieu dat snippets", "hang tien dat snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("hang tieu data snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang tieu data snippets") OR ("dung java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang tieu data snippets ) or ( dung java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang tieu data snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))*.