Perhaps you should try some spelling variations:
thieu cach » hieu cach, thieu cac, hieu cac
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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 cach - ((hanh tranh) OR (hanh trang)) cua nhung ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu cach - ((hanh tranh) OR (hanh trang)) cua nhung ((cong dan) OR (cong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu cach - ((hanh tranh) OR (hanh trang)) cua nhung ((cong dan) or (cong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu cach - ((hanh tranh) OR (hanh trang)) cua nhung ((cong dan) or (cong tan)) toan cau*.