Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai tap cong snippets" » "hai tmcp cong snippets", "hai cac cong snippets", "hai tap co snippets", "hai thap cong snippets", "bai tap cong snippets", "han tap cong 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: (((("hai tap cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai tap cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai tap cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai tap cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.