Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh viet » ninh viet, trinh vat
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong sang » cong san, cong lang, cong vang
sang thai » sang tai, sang than, dang thai
trinh vi » trinh va, trinh ve, trinh van
thai cao » tai cao, thoai cac, thuat 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 xanh - canh ((trinh vi) or (trinh viet)) nhung cong sang thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh ((trinh vi) OR (trinh viet)) nhung cong sang thai cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh ((trinh vi) or (trinh viet)) nhung cong sang thai cao*.