Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh do voi snippets" » "minh dao voi snippets", "minh don voi snippets", "kinh do voi snippets", "minh doi voi snippets", "minh do moi 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: (((("minh do 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: (((("minh do voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh do voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh do voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.