Perhaps you should try some spelling variations:
ve triet » va trien, su triet
bach ky » bac ky
hieu va » lieu va, hieu qua
cam thu » nam thu, ca thu, cam phu
cac thu » cach thuc, cac thoi
va tinh » may tinh
va danh » va dinh, va dan, va hanh
ki ve » ke ve, gi ve, vi ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ky nang x ho. hieu va ((cam thu) OR (cac thu)) ((va tinh) or (va danh)) ki ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ky nang x ho. hieu va ((cam thu) OR (cac thu)) ((va tinh) OR (va danh)) ki ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ky nang x ho. hieu va ((cam thu) OR (cac thu)) ((va tinh) or (va danh)) ki ve triet".
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang x ho. hieu va ((cam thu) OR (cac thu)) ((va tinh) or (va danh)) ki ve triet*.