Perhaps you should try some spelling variations:
viec khoa » vien khoa, viec khong, lieu khoa
cau treo » cau theo, cau tren, cau triet
dang cac » dung cac, bang cac, dong cac
viec cho » viec nhom, viec cua, viec so
sach ky » sac ky, sach y, sach ty
xuc cam » phuc cam
dan cac » dan cach, dan ca, dan bac
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu ((viec cho) or (viec khoa)) xuc cam ((dan cac) OR (dang cac)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((viec cho) OR (viec khoa)) xuc cam ((dan cac) OR (dang cac)) cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((viec cho) or (viec khoa)) xuc cam ((dan cac) OR (dang cac)) cau treo".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((viec cho) or (viec khoa)) xuc cam ((dan cac) OR (dang cac)) cau treo*.