Perhaps you should try some spelling variations:
giay thanh » gia thanh, gian thanh
thanh van » thanh san, thanh toan, thanh phan
cau tren » cu tren, dau tren, ca tren
ky tang » ky nang, ky dang, kho tang
van hoe » van hoa, van hieu, van hien
van hoc » van hoa
hieu va » lieu va, hieu qua
tu giay » tu giao, tu giac, cau giay
ky lang » ky nang, ky dang, tay lang
van cau » van dau, van hau, van chat
va nam » van nam, ha nam, va nay
nam tu » nam thu, nam thuc
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ((ky lang) OR (ky tang)) ((van hoe) OR (van hoc)). hieu va nam tu giay thanh van cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ((ky lang) OR (ky tang)) ((van hoe) OR (van hoc)). hieu va nam tu giay thanh van cau tren*".