Perhaps you should try some spelling variations:
xa thanh » va thanh, ha thanh, ta thanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
xa hanh » xa khanh, va hanh, da hanh
vai cua » dai cua, hai cua, lai cua
cua tuc » cua duc, cua tu, cua thuoc

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 ky nang xa hoi. ((hieu ve) or (lieu va)) cau truc ((xa hanh) OR (xa thanh)) vai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. ((hieu ve) OR (lieu va)) cau truc ((xa hanh) OR (xa thanh)) vai cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. ((hieu ve) or (lieu va)) cau truc ((xa hanh) OR (xa thanh)) vai cua tuc".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu ve) or (lieu va)) cau truc ((xa hanh) OR (xa thanh)) vai cua tuc*.