Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc dieu da snippets" » "hoc thieu da snippets", "hoc hien da snippets", "hoc dien da snippets", "hoc dieu d snippets", "hoc dieu ta 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 dieu da 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 dieu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc dieu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc dieu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.