Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin luoc ve snippets" » "tin buoc ve snippets", "tin nuoc ve snippets", "tin thuoc ve snippets", "tin luoc va snippets", "tin luoc vu 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: (((("tin luoc 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: (((("tin luoc ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin luoc ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin luoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.