Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hat cheo snippets" » "thu thuat cheo snippets", "thu nham cheo snippets", "thu nhat nheo snippets", "thu nhat cheo snippets", "thu ha cheo snippets", "thu hut cheo 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: (((("thu hat cheo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hat cheo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hat cheo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hat cheo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.