Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"dong bac va snippets" » "dong bang va snippets", "dong luc va snippets", "dong hoc va snippets", "dong ban va snippets", "dong bac ha snippets", "dong bao va snippets", "dong bac va slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dong bac va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong bac va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong bac va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong bac va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.