Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham chu chan snippets" » "ham chu han snippets", "ham chua chay snippets", "ham chu van snippets", "ham chau chan snippets", "lam chu chan snippets", "hai chu chan 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 chu chan 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 chu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham chu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham chu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.