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