Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"van viet java snippets" » "van viet va snippets", "san viet java snippets", "gian viet java snippets", "tran viet java snippets", "van viet 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: (((("van viet java snippets") or ("using java java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van viet java snippets") OR ("using java java snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( van viet java snippets ) or ( using java java snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van viet java snippets") or ("using java java snippets"))) or ("locating bung code snippets"))*.