Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bich han cho snippets" » "bich ha cho snippets", "binh han cho snippets", "dich han cho snippets", "bich hang cho snippets", "bich han che snippets", "bich san cho 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: (((("bich han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bich han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bich han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bich han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.