Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dot huy can snippets" » "dot quy can snippets", "dong huy can snippets", "dot duy can snippets", "dot thuy canh snippets", "dot huy tran 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: (((("dot huy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dot huy can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dot huy can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dot huy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.