Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
nhung cong » dung cong, thong cong, hang cong
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hoc thien » hoc hien, hoc thieu, hoc thiet
trinh van » trinh han, trinh quan, trinh toan
trang va » tran van, hang va
toan tap » toan 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 danh - hanh ((trinh van) or (trang va)) nhung cong ngang toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - hanh ((trinh van) OR (trang va)) nhung cong ngang toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - hanh ((trinh van) or (trang va)) nhung cong ngang toan tap*.