Perhaps you should try some spelling variations:
dieu hien » dieu kien, bieu hien, dien bien
chat xuc » chat huu, cam xuc, chao xu
vu sach » vu bach, su sach, vu khach
cam dan » cac dan, ca dan, nam dan
cac xuc » cam xuc, cac nuoc, cac cuoc
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
dan vi » doan vi, don vi, dan va
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang xa hoi. ((dieu hien) OR (dieu khien)) ((cac xuc) or (chat xuc)) cam dan vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. ((dieu hien) OR (dieu khien)) ((cac xuc) OR (chat xuc)) cam dan vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. ((dieu hien) OR (dieu khien)) ((cac xuc) or (chat xuc)) cam dan vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. ((dieu hien) OR (dieu khien)) ((cac xuc) or (chat xuc)) cam dan vi cuu tre*.