Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi hua ve snippets" » "phi ha ve snippets", "phi hung ve snippets", "phi quan ve snippets", "phi cua ve snippets", "phi chuan ve snippets", "phi thuat ve 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: (((("phi hua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi hua ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi hua ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi hua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.