Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"hung toan he snippets" » "hung tran he snippets", "dung toan he snippets", "hung tuan he snippets", "hung toan ho snippets", "hung toan ke snippets", "hung toan ve snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("using java core snippets") or ("hung toan he snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java core snippets") OR ("hung toan he snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( hung toan he snippets ))) or ( locating bug code snippets )).
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