Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
cong duoc » cong cuoc, dong duoc, cong duc
duoc mai » duoc ma, duoc dai, duoc hai
phap van » pham van, phan van, phap han
cac thu » cach thuc, cac thoi
thu day » thuc day, thu da, thu dac
cuu mot » cua mot, cuu mo, huu mot
mai hoi » mai khoi, dai hoi, lai hoi
va phap » va phat, ban phap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac thu day, nghien cuu mot ((hoc nganh) or (hoc nhanh)) cong duoc mai hoi va phap van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac thu day, nghien cuu mot ((hoc nganh) OR (hoc nhanh)) cong duoc mai hoi va phap van.
• Adding a wildcard symbol may retrieve word variants: tu cac thu day, nghien cuu mot ((hoc nganh) or (hoc nhanh)) cong duoc mai hoi va phap van*.