Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian va cong snippets" » "gian van cong snippets", "gian ve cong snippets", "gian ha cong snippets", "gian tai cong snippets", "gian cua 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: (((("gian va 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: (((("gian va cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian va cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.