Perhaps you should try some spelling variations:
trien thuc » trien thuoc, tren thuc, trien thuat
sach trien » sach tien, sach tren, sach thieu
khoan phai » khong phai, khoa phau, khoan hoi
phai thong » phap thong, phai tuong, phan thong
hoach tri » hoach toi, hoach hoi, hoach thu
khoa phan » hoa phan, khoa than, khoa phau
phan hong » phan cong, pham hong, phan song
tri thuc » tri tue
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
thuc cac » thuc cach, tuc cac, phuc cac
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach tri thuc anh khoa phan hong ) or ( su sach trien thuc cac khoan phai thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tri thuc anh khoa phan hong ) OR ( su sach trien thuc cac khoan phai thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tri thuc anh khoa phan hong ) or ( su sach trien thuc cac khoan phai thong ))*.