Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san pho cong snippets" » "san pho uong snippets", "san cho cong snippets", "san pho dong snippets", "san phu cong snippets", "dan pho cong 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 pho cong 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 pho cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san pho cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san pho cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.