Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri dung cap snippets" » "trai dung cap snippets", "thi dung cap snippets", "tri ung cap snippets", "tri duong cap snippets", "tri cung cap snippets", "tri dung 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: (((("tri dung cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri dung cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri dung cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri dung cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.