Perhaps you should try some spelling variations:
thong nang » thong mang, thong quang, thong hoang
nang luong » nang song
luong toan » luong thanh, truong toan, luong tai
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
trinh vat » trinh van, trinh luat, trinh han
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: hoc thien anh - hanh ((trinh vat) or (sinh vat)) thong nang luong toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh ((trinh vat) OR (sinh vat)) thong nang luong toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - hanh ((trinh vat) or (sinh vat)) thong nang luong toan cau*.