Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien manh » hien hanh, tien manh, hieu manh
cua trong » cua truong, cua trung, ca trong
qua trong » quan trong, qua trinh, qua song
cong ban » cong bang, cong san, cong tan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien manh - thanh tung ((cua trong) OR (qua trong)) cong ban ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - thanh tung ((cua trong) OR (qua trong)) cong ban ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien manh - thanh tung ((cua trong) OR (qua trong)) cong ban ((than cau) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - thanh tung ((cua trong) OR (qua trong)) cong ban ((than cau) or (than cap))*.