Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hieu thien » hieu hien, chieu chien, dieu khien
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hach du » hoach du, khach deu, thach duc
vi cua » vai cua, di cua
tu sac » tu cac, tu san, tu bac
cua te » cua tu
du va » dau va, tu va, su va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky ((nang x) OR (lang xa)) hoi. hieu thien hach du va thanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky ((nang x) or (lang xa)) hoi. hieu thien hach du va thanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky ((nang x) or (lang xa)) hoi. hieu thien hach du va thanh vi cua te*.