Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac mau chot snippets" » "cac mau chan snippets", "cac mau co snippets", "cac mau ho snippets", "cam mau chot snippets", "sach mau chot 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: (((("cac mau chot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac mau chot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac mau chot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac mau chot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.