Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich pho can snippets" » "tich ho can snippets", "tinh phu can snippets", "tich bao can snippets", "tich cho can snippets", "tich pho cap snippets", "tich pho cam 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: (((("tich pho 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: (((("tich pho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich pho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich pho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.