Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va hao yong snippets" » "va heo yong snippets", "va hao gong snippets", "va hao kong snippets", "van hao yong snippets", "va khao yong snippets", "va dao yong 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: (((("va hao yong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va hao yong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va hao yong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va hao yong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.