Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hoc thieu » toc thieu, hoc hien
tranh qua » tranh cua, trinh qua, tranh quang
thanh qua » thanh quan, thanh qui, hanh qua
trong nu » trong su, trong tu, trong nuoc
than cao » thai cao, than cap, than sao
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 manh - canh ((tranh qua) or (thanh qua)) dung trong nu ((than cao) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - canh ((tranh qua) OR (thanh qua)) dung trong nu ((than cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - canh ((tranh qua) or (thanh qua)) dung trong nu ((than cao) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh ((tranh qua) or (thanh qua)) dung trong nu ((than cao) OR (toan cao))*.