Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham dao dong snippets" » "ham lao dong snippets", "ham ha dong snippets", "ham bat dong snippets", "nam dao dong snippets", "ham dan dong snippets", "hat dao dong 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: (((("ham dao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham dao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham dao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham dao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.