Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong het cho snippets" » "dong ket cho snippets", "hong het cho snippets", "dong hieu cho snippets", "dong chat cho snippets", "dong hiem cho snippets", "dong thep cho 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 het cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong het cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong het cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong het cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.