Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat ca san slippers" » "nhat cua san slippers", "nhap ca san slippers", "hat ca san slippers", "nhat cac san slippers", "nhat ca dan slippers", "nhat ca san slippery", "nhat ca san grippers"
"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: (((("nhat ca 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: (((("nhat ca san slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat ca san slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ca san slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.