Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"fan mo canh snippets" » "fan bo canh snippets", "fan do canh snippets", "fan mo danh snippets", "dan mo canh snippets", "ran mo canh snippets", "van mo 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: (((("fan mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("fan mo canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( fan mo canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("fan mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.