Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day cong ho snippets" » "day con ho snippets", "cay cong ho snippets", "may cong ho snippets", "day cong hoa snippets", "day cong cho snippets", "day cong hon 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: (((("day cong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day cong ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day cong ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day cong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.