Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
cau tren » cu tren, dau tren, ca tren
dua tren » dung tren
manh xay » nganh xay, van xay, dang xay
xuc ban » duc ban, cuc ban, quoc ban
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
dan xay » dang xay, van xay, dan tay
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: su sach ky ((dan xay) or (manh xay)) hoi. hieu ve cam xuc ban thanh hai ((dua tren) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((dan xay) OR (manh xay)) hoi. hieu ve cam xuc ban thanh hai ((dua tren) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: su sach ky ((dan xay) or (manh xay)) hoi. hieu ve cam xuc ban thanh hai ((dua tren) or (cau tren))*.