Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
dong thanh » truong thanh
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
trinh va » trinh vat, trinh ve, trinh vi
ung dong » vung dong, dung dong, nung dong
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 thieu sang - canh ((trinh va) OR (trinh van)) ung dong thanh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - canh ((trinh va) OR (trinh van)) ung dong thanh toan cao*".