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