Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bien do cau snippets" » "bien doi cau snippets", "bien so cau snippets", "bien dao cau snippets", "bien bo cau snippets", "bien co cau 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: (((("bien do cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bien do cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bien do cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bien do cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.