Perhaps you should try some spelling variations:
nhiet nang » viet nang, nhieu tang, thien nang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
hieu lang » chieu sang, hieu quang, nhieu tang
cong lang » cong vang, cong luong, cong quang
lang toan » dang toan, lang thang, lang 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: theo ((((nhiet nang) OR (nhiet dong))) or (hieu lang)) - hanh trung tuan trong cong lang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((nhiet nang) OR (nhiet dong))) OR (hieu lang)) - hanh trung tuan trong cong lang toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((nhiet nang) OR (nhiet dong))) or (hieu lang)) - hanh trung tuan trong cong lang toan cau*".