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