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