Perhaps you should try some spelling variations:
"dung thi chieu snippets" » "dung thi chien snippets", "dung thi hieu snippets", "dung theo chieu snippets", "dung tai chieu snippets", "dung tri chieu snippets", "dung chi chieu snippets"
"hang java java snippets" » "hang 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: (((("dung thi chieu snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thi chieu snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thi chieu snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi chieu snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.