Perhaps you should try some spelling variations:
hoach trinh » hanh trinh, hoach dinh, hoach trong
phau thong » phap thong, khau thong, phan thong
thuat sach » thuat lanh, thuat san
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phau » hoa phan, khoa kham, khoa than
sach tien » sach tren, sach thieu
tien thuc » trien thuc, kien thuc, bien thuc
khoa phan » hoa phan, khoa than, khoan phai
phan cong » thanh cong
trinh tu » trinh ky, trinh do
tu hanh » du hanh, lu hanh, thi hanh

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 trinh tu hanh khoa phau thong ) or ( thuat sach tien thuc hanh khoa phan cong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach trinh tu hanh khoa phau thong ) OR ( thuat sach tien thuc hanh khoa phan cong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach trinh tu hanh khoa phau thong ) or ( thuat sach tien thuc hanh khoa phan cong ))*.