Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
hoc thieu » toc thieu, hoc hien
cap nhung » cam nhung, vap nhung, dap nhung
cong cap » cung cap, cong cau, cong cac
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
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 hach - thanh cong cap nhung ((cong dong) or (cong tan)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - thanh cong cap nhung ((cong dong) OR (cong tan)) ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu hach - thanh cong cap nhung ((cong dong) or (cong tan)) ((toan cau) or (toan ban))*.