Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mao cong che snippets" » "cao cong che snippets", "may cong che snippets", "vao cong che snippets", "mao cong cho snippets", "mao cong chi snippets", "mao cong chu 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: (((("mao cong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mao cong che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mao cong che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mao cong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.