Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhieu tang » chieu sang, nhiet nang
phan xuong » phan cong
hoang manh » hoang minh, hoang anh, hoang xanh
hieu lang » chieu sang, hieu quang, hieu van
phan cung » phan cong, phan ung, phan quang
manh toan » thanh toan, anh tuan, tinh toan
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: ho ((hieu lang) OR (nhieu tang)) - hanh trinh ((phan cung) or (phan xuong)) hoang manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - hanh trinh ((phan cung) OR (phan xuong)) hoang manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - hanh trinh ((phan cung) or (phan xuong)) hoang manh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (nhieu tang)) - hanh trinh ((phan cung) or (phan xuong)) hoang manh toan cau*.