Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
nang cong » nang song, dang cong, bang cong
tung hon » tung ho, dung hon, nung hon
hon nang » ho nang, hoa nang, hoi nang
toan cao » toan tap
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chi)) xanh - thanh tung hon nang cong trinh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) xanh - thanh tung hon nang cong trinh ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) xanh - thanh tung hon nang cong trinh ((toan cao) or (toan ban))*.