Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hong anh chi snippets" » "hoang anh chi snippets", "hong hanh chi snippets", "dong anh chi snippets", "hong banh chi snippets", "hong danh chi snippets", "hong anh thi snippets"
"locating bug code snippets" » "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: (((("hong anh chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hong anh chi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong anh chi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong anh chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.