Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hieu van » hieu va, thien van, lieu va
cham duc » pham duc, cham soc, pham duy
hieu ve » hieu va
duc van » duc va, duc tan, duc manh
nang ma » tang ma, sang ma, nang cao
hang vi » hang va, hanh vi, hang di
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ma hoi. ((hieu ve) OR (hieu van)) cham duc van ((hoang kim) or (hang vi)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. ((hieu ve) OR (hieu van)) cham duc van ((hoang kim) OR (hang vi)) ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ma hoi. ((hieu ve) OR (hieu van)) cham duc van ((hoang kim) or (hang vi)) ve triet*".