Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong tac » cong ty
tac chay » tac cay, tac chuan, toan chay
chay cao » cay cao, chat cao, nha cao

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 tinh - hanh ((trang cua) or (tranh cua)) dung cong tac chay cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((trang cua) OR (tranh cua)) dung cong tac chay cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((trang cua) or (tranh cua)) dung cong tac chay cao*.