Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
duc phan » dung phan, duc thang, duc phung
duc manh » suc manh, duc anh, duc minh
hang tai » hang va, dung tai
dua tren » dung tren
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
su sai » su tai, su hai, su dai
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: su sai ky dang xa hoi. hieu ve cam ((duc phan) or (duc manh)) hang tai ((dua tren) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky dang xa hoi. hieu ve cam ((duc phan) OR (duc manh)) hang tai ((dua tren) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su sai ky dang xa hoi. hieu ve cam ((duc phan) or (duc manh)) hang tai ((dua tren) or (cua triet))*.