Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"hoc phan java snippets" » "hoc phan va snippets", "hoc dan java snippets", "hoc pho java snippets", "hoc phan java slippers"

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