Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin tuc so snippets" » "tin tu so snippets", "tin thuoc so snippets", "lien tuc so snippets", "tin thuc so snippets", "tin tuc co 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: (((("python using java snippets") or ("tin tuc so snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tin tuc so snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tin tuc so snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tin tuc so snippets"))) or ("locating bug code snippets"))*.