Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"thi hanh data snippets" » "thi thanh dat snippets", "thi anh dat snippets", "thi hanh cat snippets", "thi thanh data 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: (((("thi hanh data snippets") or ("using java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hanh data snippets") OR ("using java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( thi hanh data snippets ) or ( using java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hanh data snippets") or ("using java java slippers"))) or ("locating bugs code snippets"))*.