Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
va triet » va thiet, va trien, ve triet
chat huu » pham huu
danh vai » danh sai, danh va, doanh van
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va danh » va dinh, va dan, va hanh
te sach » toc sach
huu va » cuu va, tuu va
vai va » mai va, dai va, hai va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thuat lanh)) ky ((nang xa) OR (lang xa)) hoi. hieu ve chat huu va danh vai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat lanh)) ky ((nang xa) OR (lang xa)) hoi. hieu ve chat huu va danh vai va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuat lanh)) ky ((nang xa) OR (lang xa)) hoi. hieu ve chat huu va danh vai va triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat lanh)) ky ((nang xa) OR (lang xa)) hoi. hieu ve chat huu va danh vai va triet*.