Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
toc sach » hoc sach, doc sach, thuoc sach
ky danh » ky anh, ky dang
thi van » thi lan, thi hanh, thi nang
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
tuc va » thuc va, truc va, tuc xa
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: toc sach ((ky danh) or (ky nang)) xa hoi. thi van cam tuc va ((hanh trinh) OR (canh tranh)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ky danh) OR (ky nang)) xa hoi. thi van cam tuc va ((hanh trinh) OR (canh tranh)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((ky danh) or (ky nang)) xa hoi. thi van cam tuc va ((hanh trinh) OR (canh tranh)) cua te*".