Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » va thanh, va danh, ban hanh
luu tre » luu tru, cuu tre, luy tre
vi luu » vi lua

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

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