Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham thuc » nham thuc, pham thuc, tam thuc
danh vai » danh sai, danh va, doanh van
thuc dan » thuc hanh, hoc dan, thuc vat
trang xa » trang va, trang ha, trong xa
ta trang » va trang, thai trang, thu trang
hieu vi » hieu voi, hieu va, hieu ve
vi tham » vi pham, va tham, vi than
sach ta » sach tai, sach xa, sach ha
cuu tre » cua tre, cau tren, cau treo
vu sach » vu bach, su sach, vu khach

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ta trang xa hoi. hieu vi tham thuc dan ((danh vai) or (doan va)) ((cuu tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ta trang xa hoi. hieu vi tham thuc dan ((danh vai) OR (doan va)) ((cuu tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ta trang xa hoi. hieu vi tham thuc dan ((danh vai) or (doan va)) ((cuu tre) or (cua triet))*.