Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc duoc ke snippets" » "hoc nuoc ke snippets", "hoa duoc ke snippets", "hoc dung ke snippets", "hoc duoc ky snippets", "hoc duuoc 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: (((("hoc duoc 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: (((("hoc duoc ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc duoc ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc duoc ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.