Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap tong doi snippets" » "cap nong doi snippets", "cap hoang doi snippets", "gap trong doi snippets", "cap trong doi snippets", "cap tuong doi snippets", "cap vong doi 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 ("cap tong doi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cap tong doi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cap tong doi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cap tong doi snippets"))) or ("locating bug code snippets"))*.