Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat mong cua snippets" » "hat mon cua snippets", "chat long cua snippets", "hat giong cua snippets", "hat muong cua snippets", "hat cong cua snippets", "hat dong cua 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: (((("hat mong cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat mong cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat mong cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat mong cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.