Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hanh trung » thanh trung, hanh trang, manh trung
hoc thien » hoc hien, hoc thieu, hoc thiet
trung cua » truong cua, trung tuan, trung cap
nong san » dong san, nong dan, trong san
cong san » cong tac
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien danh - hanh trung cua cong ((nong san) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - hanh trung cua cong ((nong san) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - hanh trung cua cong ((nong san) or (cong san)) toan cao*.