Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bom khoi can snippets" » "buoc khoi can snippets", "hoc khoi can snippets", "co khoi can snippets", "bom khoa can snippets", "bom khoi nang snippets", "bom hoc can 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: (((("bom khoi 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: (((("bom khoi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bom khoi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bom khoi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.