Perhaps you should try some spelling variations:
thong chuyen » khong chuyen, bong chuyen, dong chuyen
thong chuan » thong chuon, trong chuan, thong chuong
thieu sach » chieu sach, thien hach, hieu cach
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
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 thieu sach - manh ((thong chuan) or (thong chuyen)) hang cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - manh ((thong chuan) OR (thong chuyen)) hang cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - manh ((thong chuan) or (thong chuyen)) hang cong trinh toan ban*.