Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
cham duc » pham duc, cham soc, pham duy
trang xa » trang va, trang ha, trong xa
cua tre » cua te, cuu tre, cua triet
duc van » duc va, duc tan, duc manh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tang ma » mang may, tang van
sai ky » sac ky
su sai » su tai, su hai, su dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky ((trang xa) or (tang ma)) hoi. hieu ve cham duc van ((thanh tai) or (tinh toan)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((trang xa) OR (tang ma)) hoi. hieu ve cham duc van ((thanh tai) OR (tinh toan)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky ((trang xa) or (tang ma)) hoi. hieu ve cham duc van ((thanh tai) or (tinh toan)) cua tre*.