Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh vai » hanh vi, hanh va, hanh tai
dan hanh » dang hanh, dan khanh, dan thanh
thuc dan » thuc hanh, hoc dan, thuc vat
vu cham » va cham, vu kham, tu cham
vai cau » va cau, van cau, vai cac
sach ty » sach y, sach thu, xach tay
xang xa » lang xa, mang xa, ang xa
sach tu » sach thu, cach tu, sach uu
ve cham » va cham, ve chat, ve chim

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ty) OR (sach tu)) xang xa hoi. hieu ((ve cham) or (vu cham)) thuc dan hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) xang xa hoi. hieu ((ve cham) OR (vu cham)) thuc dan hanh vai cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach tu)) xang xa hoi. hieu ((ve cham) or (vu cham)) thuc dan hanh vai cau tren".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach tu)) xang xa hoi. hieu ((ve cham) or (vu cham)) thuc dan hanh vai cau tren*.