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