Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
duc tuan » duc thuan, duc tan, duc toan
sau sai » sau dai, sau tai, sau trai
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
anh thi » anh tho, dinh thi, dang thi
cua tre » cua te, cuu tre, dua tren
sai ky » sac ky
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: sau sai ky dang xa hoi. hieu ve cam duc tuan anh thi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sau sai ky dang xa hoi. hieu ve cam duc tuan anh thi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: sau sai ky dang xa hoi. hieu ve cam duc tuan anh thi ((cua tre) or (cua triet))*.