Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
trinh vin » trinh van, trinh tin, trinh ven
trinh vi » trinh va, trinh ve, trinh viet
cong van » cong vang, cong san, song van
van thai » van thoai, van tai, van hai
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: theo ((tieu xanh) OR (tieu danh)) - hanh ((trinh vi) or (trinh vin)) nhung cong van thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - hanh ((trinh vi) OR (trinh vin)) nhung cong van thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - hanh ((trinh vi) or (trinh vin)) nhung cong van thai cao".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - hanh ((trinh vi) or (trinh vin)) nhung cong van thai cao*.