Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son via cua snippets" » "son va cua snippets", "boson via cua snippets", "son vinh cua snippets", "son gia cua snippets", "son gian cua snippets", "son giau cua 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: (((("son via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.