Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
danh hai » dang hai, lanh hai, manh hai
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
hai cua » thai cua, dai cua, hoi cua
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly nang ma hoa. hieu van nam ((tuc va) or (thuc vat)) danh hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang ma hoa. hieu van nam ((tuc va) OR (thuc vat)) danh hai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ly nang ma hoa. hieu van nam ((tuc va) or (thuc vat)) danh hai cua triet*.