Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan van san slippers" » "pham van san slippers", "thanh van san slippers", "luan van san slippers", "phan van sang slippers", "phan van ban slippers", "phan van son slippers", "phan van san slippery", "phan van san grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan van san slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan van san slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan van san slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan van san slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.