Perhaps you should try some spelling variations:
"kha trinh java snippets" » "qua trinh java snippets", "ha tinh java snippets", "tra trinh java snippets"
"dong hoc cong snippets" » "dong co cong snippets", "dong luc cong snippets", "dong hoc co snippets", "dong cac cong snippets", "dong hoc dung 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: (((("dong hoc cong snippets") or ("kha trinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hoc cong snippets") OR ("kha trinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hoc cong snippets ) or ( kha trinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hoc cong snippets") or ("kha trinh java snippets"))) or ("locating bug code snippets"))*.