Perhaps you should try some spelling variations:
trinh dai » trinh tai, trinh di, trinh da
hieu viec » nhieu viec, hieu ve, sieu viet
viec cam » viec lam, viec cua, viec va
tinh dai » tinh da, tinh hai, tinh doi
tu sach » thu sach, su sach, te sach
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ky lang) OR (ky dang)) xa hoi. hieu viec cam xuc va ((tinh dai) or (trinh dai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky lang) OR (ky dang)) xa hoi. hieu viec cam xuc va ((tinh dai) OR (trinh dai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky lang) OR (ky dang)) xa hoi. hieu viec cam xuc va ((tinh dai) or (trinh dai)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky lang) OR (ky dang)) xa hoi. hieu viec cam xuc va ((tinh dai) or (trinh dai)) cua te*.