Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha san du snippets" » "phi san du snippets", "phu san du snippets", "nha san du snippets", "pha san diu snippets", "pha van du snippets", "pha han du 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: (((("pha san du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha san du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha san du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha san du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.