Perhaps you should try some spelling variations:
tinh song » trinh song, tinh son, tinh sang
chet duoc » che duoc, cho duoc, che quoc
duoc mau » duoc ma, duc mau, duoc lam
mau tinh » may tinh, man tinh, dau tinh
song cau » song cuu, cong cau, song hau
cau tren » cu tren, dau tren, ca tren
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cao hoc » co hoc, cho hoc, chat hoc
hieu ve » hieu va, hieu van
ve chet » ve chat, ve che, se chet

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 nang cao hoc. hieu ve chet duoc mau tinh song cau tren~.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang cao hoc. hieu ve chet duoc mau tinh song cau tren*.