Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
toan tai » doanh tai, toan cao, von tai
toan ban » van ban

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 - thanh trung cua dung cong van ((toan tai) or (((toan tap) OR (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung cua dung cong van ((toan tai) OR (((toan tap) OR (toan ban)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh trung cua dung cong van ((toan tai) or (((toan tap) OR (toan ban))))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung cua dung cong van ((toan tai) or (((toan tap) OR (toan ban))))*.