Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - ((hanh tranh) or (((hanh trinh) OR (hanh chinh)))) cua thong cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh tranh) OR (((hanh trinh) OR (hanh chinh)))) cua thong cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh tranh) or (((hanh trinh) OR (hanh chinh)))) cua thong cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh tranh) or (((hanh trinh) OR (hanh chinh)))) cua thong cong van toan ban*.