Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui quoc can snippets" » "bui ngoc can snippets", "cua quoc can snippets", "mai quoc can snippets", "bui quoc chan snippets", "bui luoc can snippets", "bui quoc ban 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: (((("bui quoc 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: (((("bui quoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui quoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui quoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.