Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san khau con snippets" » "san pham con snippets", "san khoa con snippets", "san phu con snippets", "san khau cong snippets", "san phau con snippets", "san khau tong 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: (((("san khau con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san khau con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san khau con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san khau con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.