Perhaps you should try some spelling variations:
nhan thai » nhanh thai, nhan tai, nhan tham
trang xa » trang va, trang ha, trong xa
thai cua » than cua, tai cuc, tri cua
sai kho » dai kho, tai khoa, dai khoa
tang xa » tang ma, lang xa, tang ha
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va nhan » van nhan, ca nhan, va phan
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
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 sai kho ((tang xa) OR (trang xa)) hoi. hieu ve cam duc va nhan thai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai kho ((tang xa) OR (trang xa)) hoi. hieu ve cam duc va nhan thai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sai kho ((tang xa) OR (trang xa)) hoi. hieu ve cam duc va nhan thai cua tre*.