Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham khac mo snippets" » "pham khac mo snippets", "ham khai mo snippets", "lam khac mo snippets", "ham khac do snippets", "ham khac co 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 khac mo 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 khac mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham khac mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham khac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.