Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat
hung luong » hung vuong, dung luong, hang luong
luong manh » duong manh, luong thanh, duong minh
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (hoc thieu)) tinh - hanh ((trinh quan) OR (trinh han)) hung luong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc thieu)) tinh - hanh ((trinh quan) OR (trinh han)) hung luong manh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (hoc thieu)) tinh - hanh ((trinh quan) OR (trinh han)) hung luong manh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc thieu)) tinh - hanh ((trinh quan) OR (trinh han)) hung luong manh toan tap*.