Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong hoc » khung hoc, thong hoc, khong thuoc
soc nganh » hoc nganh, hoc nhanh, cac nganh
cach thoi » cac thoi, cach thuc, cach noi
van gian » van giang, dan gian, van giao
thu cach » thuc cach, thu canh, tu cach
long soc » lon soc, luong suc, cong so
cuu long » cuu cong, cuu tong, cuu nang
thoi tai » thoi dai, hoi tai, phoi tai
gian dan » gian lang
xua hai » qua hai, cua hai, xuan thai
xa hai » xa thai, xa hoi, xa dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach thoi tai, nghien cuu long soc nganh khong hoc ((xua hai) or (xa hai)) van gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thoi tai, nghien cuu long soc nganh khong hoc ((xua hai) OR (xa hai)) van gian dan.
• Adding a wildcard symbol may retrieve word variants: thu cach thoi tai, nghien cuu long soc nganh khong hoc ((xua hai) or (xa hai)) van gian dan*.