Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van kho mong snippets" » "van khoa mong snippets", "van kho cong snippets", "van ho mong snippets", "van khao mong snippets", "van khoi mong 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: (((("van kho mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van kho mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van kho mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van kho mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.