Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro tap cong snippets" » "tro tmcp cong snippets", "tro cac cong snippets", "tro tap co snippets", "tro cap cong snippets", "tro tai cong snippets", "tron tai 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: (((("tro tap 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: (((("tro tap cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro tap cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro tap cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.