Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
land hung » lan hung, lanh chung, van hung
manh hung » anh huong
cuong li » cong li, chong li, cuong le
hoc cau » hoc cao, hoc cac, hoc can

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 sang - hanh dung ((land hung) OR (manh hung)) cuong li hoc cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - hanh dung ((land hung) OR (manh hung)) cuong li hoc cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh dung ((land hung) OR (manh hung)) cuong li hoc cau*.