Perhaps you should try some spelling variations:
"hong hanh cham snippets" » "dong thanh cham snippets", "cong thanh cham snippets", "hong ha cham snippets", "hong thanh cham snippets", "hong thanh pham snippets", "hong khanh pham snippets"
"dung java java snippets" » "dung va java 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 hanh cham 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 hanh cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong hanh cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong hanh cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.