Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac mau mong snippets" » "cac lau mong snippets", "cac mang mong snippets", "cac va mong snippets", "cam mau mong snippets", "sach mau mong 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 mong 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 mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac mau mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac mau mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.