Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi le hanh slippers" » "phi le thanh slippers", "phi le khanh slippers", "phi le anh slippers", "thi le hanh slippers", "phi ly hanh slippers", "phi le hanh slippery", "phi le hanh 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: (((("phi le hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi le hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi le hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi le hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.