Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ren thoi can snippets" » "tren thi can snippets", "ve thoi can snippets", "yen thai can snippets", "ren khoi can snippets", "ren thoi gian snippets", "ren thoai cac 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 ("ren thoi can snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ren thoi can snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ren thoi can snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ren thoi can snippets"))) or ("locating bug code snippets"))*.