Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trong » hanh trang, anh trong, chinh trong
hinh trong » chinh trong, dinh trong, sinh trong
tieu xanh » tieu danh, dieu hanh, tien anh
dung cong » dung trong
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan tai » pham tai, nhan tai, phan thi
ca dung » cao dung, cap dung, cu dung

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