Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian van ke snippets" » "giang van ke snippets", "gian dan ke snippets", "gian lan ke snippets", "gian van ket snippets", "gian van de snippets", "gian van ky 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: (((("gian van ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian van ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian van ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian van ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.