Perhaps you should try some spelling variations:
chieu thien » chieu chien, hieu hien
thien hach » thien thanh, hien hanh
nang xa » nang x, lang xa, nang ma
tuoc va » thuoc va, nuoc va, tuc va
duoc va » nuoc va, duc va, duoc ma
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
di cua » doi cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. chieu thien hach ((tuoc va) or (duoc va)) danh ((di cua) OR (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. chieu thien hach ((tuoc va) OR (duoc va)) danh ((di cua) OR (dai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. chieu thien hach ((tuoc va) or (duoc va)) danh ((di cua) OR (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. chieu thien hach ((tuoc va) or (duoc va)) danh ((di cua) OR (dai cua)) tre*.