Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
lang van » dang van, tang van, hoang van
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
thai va » thai van
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc 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: vu sach ky ((nang x) or (lang van)) hoi. hieu ve cam xuc va hanh thai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((nang x) OR (lang van)) hoi. hieu ve cam xuc va hanh thai va thiet.
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((nang x) or (lang van)) hoi. hieu ve cam xuc va hanh thai va thiet*.