Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha lieu voi snippets" » "pha kieu voi snippets", "phan hieu voi snippets", "phap hieu voi snippets", "pha lieu boi snippets", "pha lieu va snippets", "pha lieu hoc 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: (((("pha lieu voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha lieu voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha lieu voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha lieu voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.