Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"man le cong snippets" » "man len cong snippets", "man te cong snippets", "man ve cong snippets", "manh le cong snippets", "ban le cong snippets", "van le cong 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: (((("man le cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("man le cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( man le cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("man le cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.