Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi khung co snippets" » "phi hung co snippets", "phi thuong co snippets", "thi nhung co snippets", "phi khong co snippets", "phi chung co snippets", "phi chung cho 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: (((("phi khung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi khung co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi khung co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi khung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.