Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long hanh ve snippets" » "hong hanh ve snippets", "song hanh ve snippets", "lon hanh ve snippets", "long hanh vi snippets", "long hanh va snippets", "long 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: (((("long 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: (((("long hanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long hanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.