Perhaps you should try some spelling variations:
nganh hoa » khanh hoa, danh hoa, ninh hoa
thanh hoa » thanh pho
cuu dong » cuu cong, cuu tong, cuu long
van tuan » van quan, van ban, anh tuan
tuan san » luan san, tan san, thanh san
thu ich » thu tich, thu minh, chu tich
ich hoc » dich hoc, sinh hoc, hinh hoc
hai van » thai van, ha van, hai tan
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ich hoc tap, nghien cuu dong co ((nganh hoa) OR (thanh hoa)) hoc xa hai van tuan san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ich hoc tap, nghien cuu dong co ((nganh hoa) OR (thanh hoa)) hoc xa hai van tuan san".
• Adding a wildcard symbol may retrieve word variants: thu ich hoc tap, nghien cuu dong co ((nganh hoa) OR (thanh hoa)) hoc xa hai van tuan san*.