Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua hai, qua cac, va cham
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, dua tren
vu sach » vu bach, su sach, vu khach
soc va » hoc va, loc va, doc va

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 ty ((lang xa) or (nang ma)) hoi. hieu qua cham soc va danh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty ((lang xa) OR (nang ma)) hoi. hieu qua cham soc va danh vi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ty ((lang xa) or (nang ma)) hoi. hieu qua cham soc va danh vi ((cua tre) or (cua triet))*.