Perhaps you should try some spelling variations:
hoach tren » hoach trong, hoach toan, hoc tren
khau thong » khau thuong, khap thong, khau tong
tren thuc » trien thuc, tron thuc, trinh thuc
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa khau » khoa kham, khoa phau, khoa chau
sach thuc » cach thuc, sach thu, sach thue
pho thong » he thong
thuc phu » thuc pham, thuc thuc, thuc thi
tu sach » thu sach, su sach, te sach
phu cac » phuc cac, pha cac, phu can
cac hoc » cach hoc, cac hop, bac hoc

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 tren thuc hanh khoa khau thong ) or ( tu sach thuc phu cac hoc pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tren thuc hanh khoa khau thong ) OR ( tu sach thuc phu cac hoc pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tren thuc hanh khoa khau thong ) or ( tu sach thuc phu cac hoc pho thong ))*.