Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
theo hieu » theo chieu, theo tieu, thien hieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
dan chan » dan gian, dan ca
van chat » cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu van - hanh trinh cua nhung cong ((((dan chan) or (van chat))) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu van - hanh trinh cua nhung cong ((((dan chan) OR (van chat))) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: theo hieu van - hanh trinh cua nhung cong ((((dan chan) or (van chat))) or (van thanh)) cau*.