Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen hanh ve snippets" » "nen thanh ve snippets", "nien hanh ve snippets", "den hanh ve snippets", "nen hanh vi snippets", "nen hanh va snippets", "nen hanh kem 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: (((("nen hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen hanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen hanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.