Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc my cuc snippets" » "nuoc my cuc snippets", "quoc ky cuc snippets", "quoc huy cuc snippets", "quoc my cua snippets", "quoc my duc snippets", "quoc my tuc 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: (((("quoc my cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc my cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc my cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc my cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.