Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc lai can snippets" » "chuc lai can snippets", "phuc tai can snippets", "phuc hoi can snippets", "phuc lai van snippets", "phuc lai cam snippets", "phuc law can 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: (((("phuc lai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc lai can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc lai can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc lai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.