Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach pha hon snippets" » "cach nha hon snippets", "cach phap hoan snippets", "cach pham hong snippets", "cac pha hon snippets", "sach pha hon 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 pha hon 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 pha hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach pha hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach pha hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.