Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"vao tu lang snippets" » "vao cu lang snippets", "vao tu lanh snippets", "vao xu lang snippets", "tao tu lang snippets", "lao tu lang snippets", "cao tu lang snippets", "vao tu lang slippers"

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: (((("vao tu lang snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vao tu lang snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( vao tu lang snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vao tu lang snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.