Perhaps you should try some spelling variations:
phan tai » pham tai, nhan tai, phan thi
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
va phan » van phan, va phat, va phap
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
tai va » thai va, mai va, tri va
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ma hoi. hieu ((ve cham) or (ve chat)) xuc va phan tai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ma hoi. hieu ((ve cham) OR (ve chat)) xuc va phan tai va thiet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ma hoi. hieu ((ve cham) or (ve chat)) xuc va phan tai va thiet*.