Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua phuc cua snippets" » "qua phuc cua snippets", "cua phu cua snippets", "xuan phuc cua snippets", "cua thuc cua snippets", "cua hoc cua snippets", "cua phuc vu 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: (((("cua phuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua phuc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua phuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua phuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.