Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
thieu sang » chieu sang, thieu khang, thieu quang
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
truong va » truong dai, truong cao, truong dao
nhung don » nhung van, nhung bo
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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 truong va ((nhung don) or (thong cong)) dan ((than ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh truong va ((nhung don) OR (thong cong)) dan ((than ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh truong va ((nhung don) or (thong cong)) dan ((than ban) or (than man))*.