Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ngo can snippets" » "thi ngoc can snippets", "thi nga can snippets", "thi ngan can snippets", "thi ngo van snippets", "thi ngu can snippets", "thi ngoc canh 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: (((("thi ngo can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi ngo can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ngo can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ngo can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.