Perhaps you should try some spelling variations:
nuoc giai » nuoc ngoai, quoc gia, nuoc thai
nuoc gac » nuoc giao, nuoc sach, nuoc va
van hanh » van thanh, ban hanh, van anh
phuc van » thuc van, phuc va, chuc van
cau phuc » cau truc, chau phu, huu phuc
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hanh de » hanh ve, hanh kem
cuu tre » cua tre, cau treo
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nuoc gac) or (nuoc giai)) ky nang xa hoi. hieu ve cau phuc van hanh de ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nuoc gac) OR (nuoc giai)) ky nang xa hoi. hieu ve cau phuc van hanh de ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nuoc gac) or (nuoc giai)) ky nang xa hoi. hieu ve cau phuc van hanh de ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: ((nuoc gac) or (nuoc giai)) ky nang xa hoi. hieu ve cau phuc van hanh de ((cuu tre) OR (cau tren))*.