Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi bac do snippets" » "phia bac do snippets", "pho bac do snippets", "thi bach do snippets", "phi bac bo snippets", "phi ban do snippets", "phi bac ho 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 bac do 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 bac do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi bac do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi bac do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.