Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
thien thanh » tien thanh, thi thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
chat nhung » chat ngung, cua nhung, tham nhung
hoc thien » hoc hien, hoc thieu, hoc thiet
cong tac » cong ty
toan cao » toan tap
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: hoc thien thanh - hanh trinh ((chat nhung) OR (thuat nhung)) cong tac ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh trinh ((chat nhung) OR (thuat nhung)) cong tac ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - hanh trinh ((chat nhung) OR (thuat nhung)) cong tac ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh trinh ((chat nhung) OR (thuat nhung)) cong tac ((toan cao) or (toan ban))*.