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