Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach van cay snippets" » "cac van cay snippets", "bach van cay snippets", "canh van cay snippets", "cach van cau snippets", "cach van bay snippets", "cach van ca 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: (((("cach van cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach van cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach van cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach van cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.