Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong ve cau snippets" » "long ve cau snippets", "cong ve cau snippets", "dong ve cau snippets", "mong ke cau snippets", "mong va cau snippets", "mong ve cac 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: (((("mong ve 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: (((("mong ve cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong ve cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong ve cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.