Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
sach ty » sach y, sach tu, sach thu
vai cau » va cau, van cau, vai cac
tu sach » thu sach, su sach, te sach
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((nang xa) or (nang x)) hoi. hieu ve cam xuc ((ban hanh) or (va thanh)) vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (nang x)) hoi. hieu ve cam xuc ((ban hanh) OR (va thanh)) vai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (nang x)) hoi. hieu ve cam xuc ((ban hanh) or (va thanh)) vai cau tren*.