Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ma nguoi ca snippets" » "ca nguoi ca snippets", "va nguoi ca snippets", "cua nguoi ca snippets", "ma nguoi cao snippets", "ma nguoi cua snippets", "ma nguoi ma 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: (((("ma nguoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ma nguoi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ma nguoi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ma nguoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.